- Civil Lab Mechanical Lab Engineering Lab Equipments
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CAT NO: DIDACTICNLE-Export-094023
Relay Control System For Electrical Lab Training.
Relay Control System
System with electronic relay
Adjustable hysterisis and dead zone
Display phase plane diagram on CRO
Stability study by describing function method
Experiments :
Study
of the relay characteristics and display of the same on CRO for
different values of hysteresis and dead zones. Hysteresis and dead zone
of the built-in 3-position electronic relay are adjustable in the range
0-600mV and 0-500mV respectively.
The transfer characteristics and output of the relay under various settings provide insight into the relay performance
tudy
of the effect of hysteresis on system stability. Sustained oscillations
may occur in the system under various conditions, especially where
hysteresis is present.
The amplitude and frequency of such
oscillations are predicted from a graphical analysis and then verified
experimentally on the unit
hase plane analysis of relay control
system for various values of Hysterisis and Dead Zones. The nature of
the singular point in the phase plane diagram has importance in the
stability studies of nonlinear systems.
hase plane analysis of relay
control system for various values of Hysterisis and Dead Zones. The
nature of the singular point in the phase plane diagram has importance
in the stability studies of nonlinear systems.
Here the phase trajectory is viewed on the CRO and the effect of changing hysteresis and dead zone observed
Features and Specifications :
Simulated electronic relay using high speed IC’s
Simulated 2nd order linear plant. Facility for displaying x and x signals
Dead zone varable from 0-600mV app
Hysteresis variable from 0-500mV app.
Built
in signal sources - sine and square Amplitude : 0-1V (min.) variable
Frequency : 10, 20, 40, 80, 100, 200, 400, 800 & 1000 Hz ic
regualted internal power supplies
ic regualted internal power supplies
220V +/- 10%, 50 Hz main operation
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